Menu

Solid State Ground Power Unit / Static Frequency Converter

Air+MAK’s solid state Ground Power Unit SGPUs, are now part of our standard Ground support Equipment and is the safest and most reliable solution for aircraft power supply requirements. We manufacture SGPu’s of fixed, trailer mounted & Jet bridge mounted systems. The product variants ranging from 40kW to 144kW and many more…

Air+Mak’s SGPU units are designed with Power factor correction to guarantee a perfect sinusoidal input current from 25% to 150% load and a low THDi (<3%)ensuring high quality, maximum efficiency and secure electrical power supplies.

Salient Features

CE Mark Certified

State of the art semi conductor technology

Unity power factor through APFC

High efficiency (Up to 95%)

Low THDi <2% at linear load

Data logging

MCU based monitoring and control

Green Standby Function

Line drop voltage compensation

No break power transfer compatibility (NBPT)

User friendly control panel

IP 54 Enclosures for outdoor use

Low noise emission (<65dBA@1m)

Solid State Ground Power Unit (SGPU)

TECHNICAL SPECIFICATIONS

INPUTS

Voltage

: 3 phase 400V/415V AC ±15%

Frequency

: 45Hz up to 65Hz± 5%

OUTPUTS

Voltage

: 3 phase 200V AC -400Hz ±1%

Overall Efficiency

: 87%-95%

Max. Crest Factor

: 1.4:1

RECTIFIER

4 Quadrant Operation AC Voltage Range

: 25% +10%

Efficiency

: 93%-97%

Input Frequency Deviation

: ±5%

Overload Capacity

: 150% Continuous

Inrush Current

: None

Overall current limit

: 120% Continuous

MOUNTING CONFIGURATION

FIXED/TRAILER/JET BRIDGE

INVERTER

Static Regulation 0 – 100% load

: ± 1%

Dynamic regulation 100%

: 5%, recovering to 1%
within 40 ms

Total harmonic distortion

: < 2% (Linear Load)

Electronic Limit Overload

: 120%@60s;
150%@5s;200%@2s

Overload Capacity (IGBTs)

: 150% Continuous

Frequency stability

: ± 0.01% Crystal
controlled

Load power factor

: 0-1

Efficiency

: 93%-98%

PROTECTIONS

Short circuit proof by electric current limiting and shutdown

ENVIRONMENTAL CONDITIONS

Operating Temperature

: 0°C to +55 °C
(@100% Load)

Relative Humidity

: 10%-100%

Noise Level

: < 65 dBA@1 meter

Altitude

: up to 2500m without
de-rating

* Due to continuous development, the specifications, layout, configuration and dimensions are subject to change without notice.